3/4x-3.6=13/5x3/4x-3.6=1又3/5x

问题描述:

3/4x-3.6=13/5x
3/4x-3.6=1又3/5x

到计算机上面算

0.75x-3.6=1.6x
-3.6=0.85x
x=-72/17